sequenceDiagram
  participant Route
  participant DB as LobeChatDatabase
  participant UserService
  participant EvalDatasetModel
  Route->>DB: Obtain database instance
  Route->>UserService: new UserService(DB)
  Route->>EvalDatasetModel: new EvalDatasetModel(DB, userId)
  UserService->>DB: Use DB for operations
  EvalDatasetModel->>DB: Use DB for operations

classDiagram
  class EvalDatasetModel {
    - db: LobeChatDatabase
    - userId: string
    + constructor(db: LobeChatDatabase, userId: string)
    + create(params: NewEvalDatasetsItem)
    + delete(id: number)
    + query(knowledgeBaseId: string): Promise<RAGEvalDataSetItem[]>
    + findById(id: number)
    + update(id: number, value: Partial<NewEvalDatasetsItem>)
  }
  class EvalDatasetRecordModel {
    - db: LobeChatDatabase
    - userId: string
    + constructor(db: LobeChatDatabase, userId: string)
    + create(params: NewEvalDatasetRecordsItem)
    + batchCreate(params: NewEvalDatasetRecordsItem[])
    + delete(id: number)
    + query(datasetId: number)
    + findByDatasetId(datasetId: number)
    + findById(id: number)
    + update(id: number, value: Partial<NewEvalDatasetRecordsItem>)
  }
  class EvalEvaluationModel {
    - db: LobeChatDatabase
    - userId: string
    + constructor(db: LobeChatDatabase, userId: string)
    + create(params: NewEvalEvaluationItem)
    + delete(id: number)
    + queryByKnowledgeBaseId(knowledgeBaseId: string)
    + findById(id: number)
    + update(id: number, value: Partial<NewEvalEvaluationItem>)
  }
  class EvaluationRecordModel {
    - db: LobeChatDatabase
    - userId: string
    + constructor(db: LobeChatDatabase, userId: string)
    + create(params: NewEvaluationRecordsItem)
    + batchCreate(params: NewEvaluationRecordsItem[])
    + delete(id: number)
    + query(reportId: number)
    + findById(id: number)
    + findByEvaluationId(evaluationId: number)
    + update(id: number, value: Partial<NewEvaluationRecordsItem>)
  }
  class UserService {
    - db: LobeChatDatabase
    + constructor(db: LobeChatDatabase)
    + createUser(id: string, params: UserJSON)
    + deleteUser(id: string)
    + updateUser(id: string, params: UserJSON)
    + getUserApiKeys(id: string)
    + getUserAvatar(id: string, image: string)
  }
  class NextAuthUserService {
    - db: LobeChatDatabase
    - adapter
    + constructor(db: LobeChatDatabase)
    + safeUpdateUser(user: UserItem, provider: string)
  }
  class ChunkService {
    - userId: string
    + constructor(db: LobeChatDatabase, userId: string)
    ...
  }
  LobeChatDatabase <|-- EvalDatasetModel
  LobeChatDatabase <|-- EvalDatasetRecordModel
  LobeChatDatabase <|-- EvalEvaluationModel
  LobeChatDatabase <|-- EvaluationRecordModel
  LobeChatDatabase <|-- UserService
  LobeChatDatabase <|-- NextAuthUserService
  LobeChatDatabase <|-- ChunkService